ENPHASE STORAGE DESIGN
CERTIFICATION TRAINING
Which=component=of=the=Ensemble=system=detects=a=grid=failure?
A.=Envoy
B.=Enpower
C.=Encharge=-=ans-✔✔B.=Enpower
True=or=false:=PV=systems=with=Energy=storage=but=without=backup=power=do=not=req
uire=Enpower.=-=ans-✔✔True
Where=do=the=hot=conductors=between=Encharge=and=Enpower=terminate?
A.=In=the=IQ=Combiner=box
B.=At=the=DER=(distributed=energy=resource)=input=terminals
C.=On=the=Encharge=circuit=breaker=terminals
D.=On=the=PV=circuit=breaker=terminals
Clear=my=choice=-=ans-
✔✔B.=At=the=DER=(distributed=energy=resource)=input=terminals
What=is=the=maximum=amount=of=PV=and=storage=that=can=be=connected=to=the=Enpo
wer=smart=switch?
A.=80A=of=PV=and=80A=of=storage=for=a=total=of=160A
B.=80A=of=PV=or=80A=of=storage=for=a=total=of=80A
C.=40A=of=PV=and=40A=of=storage=for=a=total=of=80A
D.=0A,=PV=and=Storage=is=landed=in=a=backup=loads=panel=-=ans-
✔✔A.=80A=of=PV=and=80A=of=storage=for=a=total=of=160A
, Do=we=need=to=install=an=additional=service=disconnect=if=the=Enpower=main=service=b
reaker=has=been=installed=as=the=main=service=disconnect?
A.=No,=it=is=not=necessary=to=install=an=additional=disconnect
B.=It=depends=on=the=use=case
C.=Yes,=it=has=to=be=redundant=and=serve=as=a=rapid=shutdown=initiation=device=-=ans-
✔✔A.=No,=it=is=not=necessary=to=install=an=additional=disconnect
Why=does=Enpower=need=a=Neutral=Forming=Transformer=to=operate=during=the=grid=o
utage?
A.=Because=NEC=2017=requires=a=transformer=to=have=reference=to=Neutral
B.=Because=Encharge=batteries=operate=240=VAC=line=to=line=and=split=phase=power=s
ystems=require=a=neutral
C.=Because=when=the=grid=is=down=the=micro=inverters=operate=on=120=VA=-=ans-
✔✔B.=Because=Encharge=batteries=operate=240=VAC=line=to=line=and=split=phase=pow
er=systems=require=a=neutral
The=above=system=was=initially=estimated=to=require=three=Encharge=3=equivalent=to=o
ne=Encharge=10=and=no=soft=starter.=After=the=site=survey,=they=found=that=the=largest
=single=load=in=the=backup=load=center,=is=going=to=be=a=3=kVA=electric=motor=with=a=s
tart=current=of=32=Amps=at=240=VAC=for=3=seconds.
Is=the=estimated=size=of=one=Encharge=10=going=to=be=enough=to=comply=with=NEC=2
017=710.15=(A)=without=using=a=soft=starter?
A.=Yes,=one=Encharge=10=will=comply
B.=One=Encharge=10=is=ok=because=NEC=2017=710.5(A)=only=applies=to=whole=home=
backup
C.=No,=it=requires=a=minimum=of=4=Encharge=3=to=comply=-=ans-
✔✔C.=No,=it=requires=a=minimum=of=4=Encharge=3=to=comply
For=partial=home=backup=the=guidelines=in=the=Ensemble=planning=guide=recommend=t
he=size=of=the=energy=storage=system=to=be=the=largest=of:
-->=Largest=single=load=in=the=essential=loads=subpanel
-->=Result=of=load=analysis=of=power,=surge=and=reactive=power
For=whole=home=backup=what=is=added=to=the=partial=home=backup=list=of=items=to=ex
tract=the=largest?
CERTIFICATION TRAINING
Which=component=of=the=Ensemble=system=detects=a=grid=failure?
A.=Envoy
B.=Enpower
C.=Encharge=-=ans-✔✔B.=Enpower
True=or=false:=PV=systems=with=Energy=storage=but=without=backup=power=do=not=req
uire=Enpower.=-=ans-✔✔True
Where=do=the=hot=conductors=between=Encharge=and=Enpower=terminate?
A.=In=the=IQ=Combiner=box
B.=At=the=DER=(distributed=energy=resource)=input=terminals
C.=On=the=Encharge=circuit=breaker=terminals
D.=On=the=PV=circuit=breaker=terminals
Clear=my=choice=-=ans-
✔✔B.=At=the=DER=(distributed=energy=resource)=input=terminals
What=is=the=maximum=amount=of=PV=and=storage=that=can=be=connected=to=the=Enpo
wer=smart=switch?
A.=80A=of=PV=and=80A=of=storage=for=a=total=of=160A
B.=80A=of=PV=or=80A=of=storage=for=a=total=of=80A
C.=40A=of=PV=and=40A=of=storage=for=a=total=of=80A
D.=0A,=PV=and=Storage=is=landed=in=a=backup=loads=panel=-=ans-
✔✔A.=80A=of=PV=and=80A=of=storage=for=a=total=of=160A
, Do=we=need=to=install=an=additional=service=disconnect=if=the=Enpower=main=service=b
reaker=has=been=installed=as=the=main=service=disconnect?
A.=No,=it=is=not=necessary=to=install=an=additional=disconnect
B.=It=depends=on=the=use=case
C.=Yes,=it=has=to=be=redundant=and=serve=as=a=rapid=shutdown=initiation=device=-=ans-
✔✔A.=No,=it=is=not=necessary=to=install=an=additional=disconnect
Why=does=Enpower=need=a=Neutral=Forming=Transformer=to=operate=during=the=grid=o
utage?
A.=Because=NEC=2017=requires=a=transformer=to=have=reference=to=Neutral
B.=Because=Encharge=batteries=operate=240=VAC=line=to=line=and=split=phase=power=s
ystems=require=a=neutral
C.=Because=when=the=grid=is=down=the=micro=inverters=operate=on=120=VA=-=ans-
✔✔B.=Because=Encharge=batteries=operate=240=VAC=line=to=line=and=split=phase=pow
er=systems=require=a=neutral
The=above=system=was=initially=estimated=to=require=three=Encharge=3=equivalent=to=o
ne=Encharge=10=and=no=soft=starter.=After=the=site=survey,=they=found=that=the=largest
=single=load=in=the=backup=load=center,=is=going=to=be=a=3=kVA=electric=motor=with=a=s
tart=current=of=32=Amps=at=240=VAC=for=3=seconds.
Is=the=estimated=size=of=one=Encharge=10=going=to=be=enough=to=comply=with=NEC=2
017=710.15=(A)=without=using=a=soft=starter?
A.=Yes,=one=Encharge=10=will=comply
B.=One=Encharge=10=is=ok=because=NEC=2017=710.5(A)=only=applies=to=whole=home=
backup
C.=No,=it=requires=a=minimum=of=4=Encharge=3=to=comply=-=ans-
✔✔C.=No,=it=requires=a=minimum=of=4=Encharge=3=to=comply
For=partial=home=backup=the=guidelines=in=the=Ensemble=planning=guide=recommend=t
he=size=of=the=energy=storage=system=to=be=the=largest=of:
-->=Largest=single=load=in=the=essential=loads=subpanel
-->=Result=of=load=analysis=of=power,=surge=and=reactive=power
For=whole=home=backup=what=is=added=to=the=partial=home=backup=list=of=items=to=ex
tract=the=largest?
